The Network Security Toolkit (NST) is a ISO live CD/DVD (NST Live) based on Fedora. The toolkit was designed to provide easy access to best-of-breed Open Source Network Security Applications and should run on most x86/x86_64 platforms. The main intent of developing this toolkit was to provide the network security administrator with a comprehensive set […]
As comment of the article Knockd, to secure your ports, i’ve received: “Port knocking is bad idea; a very bad idea. Port knocking is, in the end, a password. A sniffable one that is subject to man-in-the-middle attacks so you can’t even use one-time-passwords and be secure. Public/private key pairs and/or one-time-passwords (opie, skey and […]
Today, i’ll show you how to use knockd to improve the security of your linux server, the more common use that i’ve saw so far is: “i’d like to connect on port 22 (ssh) but i don’t want to leave to port open for everyone..and i’ve a dynamic IP”. In these cases you can close […]
How to use Rkhunter, Chkrootkit, ClamAV, Afick This is the second part of the article wrote by Angelo Fonseca on his blog. Angelo it’s a Linux systema administrator expert in security issues, he’s also the founder of Linkedin group “GNU/Linux Security & Hardening” I found it really interesting and so i’m really glad to propose this to […]
Thanks to a group on LinkedIn where I belong I found this interesting article done in two parts by Angelo Fonzeca that i propose to you: Introduction Are you afraid that your system has been compromised by an unauthorized access? Have you got discovered abnormal network activities and/or do you suspect that your system has […]